设计了一种多功能电话电路，能够防止他人非法串线盗打和窃听电话，通过单片机控制自动存储并显示电话号码和所打电话的时刻及用时，且可通过打印机接口打印以上信息。
A new telephone with kinds of functions is devised,stringing together to call and wiretap illegally is resisted.The date and time used during conversing is displayed and stored by single slice computer,and can be printed.
曾健平,欧古平,陈迪平,王镇道,夏辉.多功能电话电路设计[J].湖南大学学报：自然科学版,1999,26(4):
